Magnification
(Aka power) magnification is how much larger an object appear when view through a scope or binoculars than it would appear to the naked eye.

Marlinspike
A tool for opening the strands of a rope so that the rope can be spliced.

Metatarsal gland
A gland in deer located on the outside of a deers hind feet.

Migrate
Migration occurs when living organisms move from one area to another. In most cases organisms migrate to avoid local shortages of food caused by a change in season. Many fish, birds and mammals migrate.